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df.query() as an alternative to chained conditions

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warwick 2019-02-17 21:44:22 +09:00
parent b0bd985d7e
commit 25981b6312
1 changed files with 4 additions and 2 deletions
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6
tutorials/things_in_pandas.ipynb
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@ -2662,7 +2662,8 @@
"source": [
"# Selecting only those players that either playing for Arsenal or Chelsea\n",
"\n",
"df[ (df['team'] == 'arsenal') | (df['team'] == 'chelsea') ]"
"# df[ (df['team'] == 'arsenal') | (df['team'] == 'chelsea') ]\n",
"df.query(\"team in ('arsenal','chelsea')\")\n"
]
},
{
@ -2726,7 +2727,8 @@
"source": [
"# Selecting forwards from Arsenal only\n",
"\n",
"df[ (df['team'] == 'arsenal') & (df['position'] == 'forward') ]"
"# df[ (df['team'] == 'arsenal') & (df['position'] == 'forward') ]\n",
"df.query(\"team == 'arsenal' and position == 'forward'\")"
]
},
{